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<table width="100%" summary="page for phosphate"><tr><td>phosphate</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2> Phosphate Level Data </h2>

<h3>Description</h3>

<p>Plasma inorganic phosphate levels from 33 subjects.
</p>


<h3>Usage</h3>

<pre>data("phosphate")</pre>


<h3>Format</h3>

<p>A data frame with 33 observations on the following 9 variables.
</p>

<dl>
<dt><code>group</code></dt><dd><p>a factor with levels <code>control</code> and
<code>obese</code>.</p>
</dd>
<dt><code>t0</code></dt><dd><p>baseline phosphate level</p>
</dd></dl>
<p>,
</p>
<dl>
<dt><code>t0.5</code></dt><dd><p>phosphate level after 1/2 an hour.</p>
</dd>
<dt><code>t1</code></dt><dd><p>phosphate level after one an hour.</p>
</dd>
<dt><code>t1.5</code></dt><dd><p>phosphate level after 1 1/2 hours.</p>
</dd>
<dt><code>t2</code></dt><dd><p>phosphate level after two hours.</p>
</dd>
<dt><code>t3</code></dt><dd><p>phosphate level after three hours.</p>
</dd>
<dt><code>t4</code></dt><dd><p>phosphate level after four hours.</p>
</dd>
<dt><code>t5</code></dt><dd><p>phosphate level after five hours.</p>
</dd>
</dl>



<h3>Source</h3>

<p>C. S. Davis (2002), <em>Statistical Methods for the Analysis 
of Repeated Measurements</em>, Springer, New York.
</p>


<h3>Examples</h3>

<pre>

  data("phosphate", package = "HSAUR")
  plot(t0 ~ group, data = phosphate)

</pre>


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